diff --git a/photon-core/src/main/java/org/photonvision/mrcal/MrCalJNILoader.java b/photon-core/src/main/java/org/photonvision/mrcal/MrCalJNILoader.java
index dc5aea5eb..051c7978e 100644
--- a/photon-core/src/main/java/org/photonvision/mrcal/MrCalJNILoader.java
+++ b/photon-core/src/main/java/org/photonvision/mrcal/MrCalJNILoader.java
@@ -53,6 +53,7 @@ public class MrCalJNILoader extends PhotonJNICommon {
                             "libcolamd",
                             "libccolamd",
                             "openblas",
+                            "libwinpthread-1",
                             "libgcc_s_seh-1",
                             "libquadmath-0",
                             "libgfortran-5",