diff --git a/src/uu/pmap/src/pmap.rs b/src/uu/pmap/src/pmap.rs
index 20011348..93c133f1 100644
--- a/src/uu/pmap/src/pmap.rs
+++ b/src/uu/pmap/src/pmap.rs
@@ -99,9 +99,7 @@ pub fn uumain(args: impl uucore::Args) -> UResult<()> {
     if let Some(range) = matches.get_one::<String>(options::RANGE) {
         match range.matches(',').count() {
             0 => {
-                let address = u64::from_str_radix(range, 16).map_err(|_| {
-                    USimpleError::new(1, format!("failed to parse argument: '{range}'"))
-                })?;
+                let address = parse_address(range, range)?;
                 pmap_config.range_low = address;
                 pmap_config.range_high = address;
             }
@@ -112,16 +110,12 @@ pub fn uumain(args: impl uucore::Args) -> UResult<()> {
                 pmap_config.range_low = if low.is_empty() {
                     0
                 } else {
-                    u64::from_str_radix(low, 16).map_err(|_| {
-                        USimpleError::new(1, format!("failed to parse argument: '{range}'"))
-                    })?
+                    parse_address(low, range)?
                 };
                 pmap_config.range_high = if high.is_empty() {
                     u64::MAX
                 } else {
-                    u64::from_str_radix(high, 16).map_err(|_| {
-                        USimpleError::new(1, format!("failed to parse argument: '{range}'"))
-                    })?
+                    parse_address(high, range)?
                 };
             }
             _ => {
@@ -433,6 +427,17 @@ fn output_device_format(pid: &str, pmap_config: &PmapConfig) -> Result<(), Error
     Ok(())
 }
 
+/// Parse an address for --range: hexadecimal, with or without a 0x prefix,
+/// as procps-ng takes it. `range` is the whole argument, for the error.
+fn parse_address(address: &str, range: &str) -> UResult<u64> {
+    let digits = address
+        .strip_prefix("0x")
+        .or_else(|| address.strip_prefix("0X"))
+        .unwrap_or(address);
+    u64::from_str_radix(digits, 16)
+        .map_err(|_| USimpleError::new(1, format!("failed to parse argument: '{range}'")))
+}
+
 pub fn uu_app() -> Command {
     Command::new(env!("CARGO_PKG_NAME"))
         .version(crate_version!())
diff --git a/tests/by-util/test_pmap.rs b/tests/by-util/test_pmap.rs
index 43d49d13..b4d55b29 100644
--- a/tests/by-util/test_pmap.rs
+++ b/tests/by-util/test_pmap.rs
@@ -375,6 +375,11 @@ fn test_range_arg() {
             "ffffffffffffffff,",
             ",ffffffffffffffff",
             "ffffffffffffffff,ffffffffffffffff",
+            // 0x prefix
+            "0xc00fee",
+            "0Xc00fee",
+            "0xc00,0xfee",
+            ",0xffffffffffffffff",
         ] {
             new_ucmd!().arg(&pid_s).arg(opt).arg(arg).succeeds();
         }
@@ -397,6 +402,10 @@ fn test_range_arg() {
             "someinvalidtext,",
             ",someinvalidtext",
             "someinvalidtext,someinvalidtext",
+            // 0x prefix without digits
+            "0x",
+            "0x,",
+            "0x0xc00fee",
             // too large value (> u64)
             "f0000000000000000",
             "f0000000000000000,f0000000000000000",