diff --git a/core/product_config.rbc b/core/product_config.rbc
index 97c1d00471..a5e5721270 100644
--- a/core/product_config.rbc
+++ b/core/product_config.rbc
@@ -394,6 +394,10 @@ def _soong_config_namespace(g, nsname):
 def _soong_config_set(g, nsname, var, value):
     """Assigns the value to the variable in the namespace."""
     _soong_config_namespace(g, nsname)
+    if type(value) == "string":
+        # Trim right spaces, because in make the variable is set in an $(eval),
+        # which will ignore trailing spaces.
+        value = value.rstrip(" ")
     g[_soong_config_namespaces_key][nsname][var]=value
 
 def _soong_config_append(g, nsname, var, value):
diff --git a/tests/product.rbc b/tests/product.rbc
index 9ae6393e8e..b4c6d45ced 100644
--- a/tests/product.rbc
+++ b/tests/product.rbc
@@ -54,6 +54,7 @@ def init(g, handle):
   rblf.soong_config_append(g, "NS1", "v2", "def")
   rblf.soong_config_set(g, "NS2", "v3", "abc")
   rblf.soong_config_set(g, "NS2", "v3", "xyz")
+  rblf.soong_config_set(g, "NS2", "v4", "xyz   ")
 
   rblf.mkdist_for_goals(g, "goal", "dir1/file1:out1 dir1/file2:out2")
   rblf.mkdist_for_goals(g, "goal", "dir2/file2:")
diff --git a/tests/run.rbc b/tests/run.rbc
index 33583eb3cd..85d6c09bc5 100644
--- a/tests/run.rbc
+++ b/tests/run.rbc
@@ -144,7 +144,8 @@ assert_eq(
             "v2": "def"
         },
         "NS2": {
-            "v3": "xyz"
+            "v3": "xyz",
+            "v4": "xyz"
         }
     },
     {k:v for k, v in sorted(ns.items()) }