diff --git a/src/ipa/simple/algorithms/awb.cpp b/src/ipa/simple/algorithms/awb.cpp
index 195de41d..95ff4434 100644
--- a/src/ipa/simple/algorithms/awb.cpp
+++ b/src/ipa/simple/algorithms/awb.cpp
@@ -14,6 +14,8 @@
 
 #include "simple/ipa_context.h"
 
+#include "control_ids.h"
+
 namespace libcamera {
 
 LOG_DEFINE_CATEGORY(IPASoftAwb)
@@ -33,10 +35,16 @@ void Awb::process(IPAContext &context,
 		  [[maybe_unused]] const uint32_t frame,
 		  [[maybe_unused]] IPAFrameContext &frameContext,
 		  const SwIspStats *stats,
-		  [[maybe_unused]] ControlList &metadata)
+		  ControlList &metadata)
 {
 	const SwIspStats::Histogram &histogram = stats->yHistogram;
 	const uint8_t blackLevel = context.activeState.blc.level;
+	auto &gains = context.activeState.gains;
+
+	const float maxGain = 1024.0;
+	const float mdGains[] = { static_cast<float>(gains.red / maxGain),
+				  static_cast<float>(gains.blue / maxGain) };
+	metadata.set(controls::ColourGains, mdGains);
 
 	/*
 	 * Black level must be subtracted to get the correct AWB ratios, they
@@ -54,7 +62,6 @@ void Awb::process(IPAContext &context,
 	 * Calculate red and blue gains for AWB.
 	 * Clamp max gain at 4.0, this also avoids 0 division.
 	 */
-	auto &gains = context.activeState.gains;
 	gains.red = sumR <= sumG / 4 ? 4.0 : static_cast<double>(sumG) / sumR;
 	gains.blue = sumB <= sumG / 4 ? 4.0 : static_cast<double>(sumG) / sumB;
 	/* Green gain is fixed to 1.0 */