diff --git a/Dockerfile b/Dockerfile
index 775fc33..1de4642 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -65,27 +65,32 @@ RUN IMAGICK_URL=$(curl -s https://api.github.com/repos/ImageMagick/ImageMagick/r
     | jq -r '.tarball_url') && \
     wget -qO- "$IMAGICK_URL" | tar xz && \
     cd ImageMagick-* && \
+    sed -i '/static void MagickPNGWarningHandler/,/}/ { \
+           /va_list/ a\
+    /* ignore non-D50 iCCP profile warnings */\
+    if (strstr(format,"iCCP: profile") && strstr(format,"PCS illuminant is not D50")) return;\
+    ' coders/png.c && \
     ./configure --prefix=/usr/local \
-    --with-bzlib=yes \
-    --with-fontconfig=yes \
-    --with-freetype=yes \
-    --with-gslib=yes \
-    --with-gvc=yes \
-    --with-jpeg=yes \
-    --with-jp2=yes \
-    --with-png=yes \
-    --with-tiff=yes \
-    --with-xml=yes \
-    --with-gs-font-dir=yes && \
-    make -j$(nproc) && \
+        --with-bzlib=yes \
+        --with-fontconfig=yes \
+        --with-freetype=yes \
+        --with-gslib=yes \
+        --with-gvc=yes \
+        --with-jpeg=yes \
+        --with-jp2=yes \
+        --with-png=yes \
+        --with-tiff=yes \
+        --with-xml=yes \
+        --with-gs-font-dir=yes && \
+    make -j"$(nproc)" && \
     make install && \
-    ldconfig /usr/local/lib/ && \
+    ldconfig /usr/local/lib && \
     cd / && rm -rf ImageMagick-*
 
-RUN curl -fsSL https://deb.nodesource.com/setup_20.x | bash - \
-    && apt-get install -y nodejs \
-    && npm install -g npm@latest \
-    && rm -rf /var/lib/apt/lists/*
+RUN curl -fsSL https://deb.nodesource.com/setup_20.x | bash - && \
+    apt-get install -y nodejs && \
+    npm install -g npm@latest && \
+    rm -rf /var/lib/apt/lists/*
 
 COPY src/297969n.osz /app/danser/songs/