diff --git a/scripts/retdec-archive-decompiler.sh b/scripts/retdec-archive-decompiler.sh
index d86f5c2d1..2469924f7 100644
--- a/scripts/retdec-archive-decompiler.sh
+++ b/scripts/retdec-archive-decompiler.sh
@@ -3,10 +3,6 @@
 # Runs the decompilation script with the given arguments over all files in the
 # given static library.
 #
-# Requirements:
-#  - bash
-#  - the `timeout` command
-#
 
 # On macOS, we want the GNU version of 'readlink', which is available under
 # 'greadlink':
@@ -27,17 +23,6 @@ fi
 
 . "$DECOMPILER_UTILS"
 
-##
-## Check that all script requirements are satisfied.
-##
-for CMD in "timeout"; do
-	command -v $CMD > /dev/null 2>&1 || {
-		echo "error: The \`$CMD\` command is required but it is not" \
-			"available. Aborting." >&2
-		exit 1
-	}
-done
-
 ##
 ## Configuration.
 ##
@@ -187,7 +172,7 @@ for ((INDEX=0; INDEX<FILE_COUNT; INDEX++)); do
 
 	# We have to use indexes instead of names because archives can contain multiple files with same name.
 	LOG_FILE="$LIBRARY_PATH.file_$FILE_INDEX.log.verbose"                                                    # Do not escape!
-	timeout $TIMEOUT "$DECOMPILE_SH" --ar-index="$INDEX" -o "$LIBRARY_PATH.file_$FILE_INDEX" "$LIBRARY_PATH" $DECOMPILE_SH_ARGS > "$LOG_FILE" 2>&1
+	gnutimeout $TIMEOUT "$DECOMPILE_SH" --ar-index="$INDEX" -o "$LIBRARY_PATH.file_$FILE_INDEX" "$LIBRARY_PATH" $DECOMPILE_SH_ARGS > "$LOG_FILE" 2>&1
 	RC=$?
 
 	# Print status.
diff --git a/scripts/retdec-utils.sh b/scripts/retdec-utils.sh
index efaf39c18..82ee7ddbd 100644
--- a/scripts/retdec-utils.sh
+++ b/scripts/retdec-utils.sh
@@ -22,6 +22,17 @@ fi
 
 . "$DECOMPILER_CONFIG"
 
+# On macOS, 'timeout' from GNU coreutils is by default available under
+# 'gtimeout'.
+gnutimeout()
+{
+	if hash gtimeout 2> /dev/null; then
+		gtimeout "$@"
+	else
+		timeout "$@"
+	fi
+}
+
 #
 # Prints the real, physical location of a directory or file, relative or
 # absolute.